Balyasny Asset Management’s Biogen BIIB Stock Holding History
| Quarter | Market Value | Status | Shares |
Shares Change % | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $104M | Buy |
831,905
+45,686
| +6% | +$5.74M | 0.16% | 104 |
|
|
2025
Q1 | $108M | Buy |
786,219
+740,390
| +1,616% | +$101M | 0.18% | 84 |
|
|
2024
Q4 | $7.01M | Buy |
+45,829
| New | +$7.01M | 0.01% | 758 |
|
|
2024
Q3 | – | Sell |
-394,887
| Closed | -$91.5M | – | 1962 |
|
|
2024
Q2 | $91.5M | Buy |
+394,887
| New | +$91.5M | 0.16% | 108 |
|
|
2024
Q1 | – | Sell |
-317,302
| Closed | -$82.1M | – | 1995 |
|
|
2023
Q4 | $82.1M | Buy |
317,302
+86,891
| +38% | +$22.5M | 0.15% | 106 |
|
|
2023
Q3 | $59.2M | Buy |
230,411
+170,423
| +284% | +$43.8M | 0.12% | 177 |
|
|
2023
Q2 | $17.1M | Sell |
59,988
-179,407
| -75% | -$51.1M | 0.04% | 474 |
|
|
2023
Q1 | $66.6M | Buy |
239,395
+188,012
| +366% | +$52.3M | 0.17% | 122 |
|
|
2022
Q4 | $14.2M | Sell |
51,383
-124,782
| -71% | -$34.6M | 0.04% | 494 |
|
|
2022
Q3 | $47M | Buy |
176,165
+152,859
| +656% | +$40.8M | 0.14% | 132 |
|
|
2022
Q2 | $4.75M | Sell |
23,306
-144,870
| -86% | -$29.5M | 0.02% | 776 |
|
|
2022
Q1 | $35.4M | Buy |
168,176
+86,932
| +107% | +$18.3M | 0.11% | 186 |
|
|
2021
Q4 | $19.5M | Buy |
81,244
+34,709
| +75% | +$8.33M | 0.07% | 352 |
|
|
2021
Q3 | $13.2M | Sell |
46,535
-91,744
| -66% | -$26M | 0.05% | 400 |
|
|
2021
Q2 | $47.9M | Buy |
138,279
+48,659
| +54% | +$16.8M | 0.23% | 84 |
|
|
2021
Q1 | $25.1M | Buy |
89,620
+54,485
| +155% | +$15.2M | 0.12% | 183 |
|
|
2020
Q4 | $8.6M | Sell |
35,135
-118,123
| -77% | -$28.9M | 0.05% | 427 |
|
|
2020
Q3 | $43.5M | Buy |
+153,258
| New | +$43.5M | 0.32% | 51 |
|
|
2020
Q2 | – | Hold |
0
| – | – | – | 966 |
|
|
2020
Q1 | – | Sell |
-129,669
| Closed | -$38.5M | – | 1038 |
|
|
2019
Q4 | $38.5M | Buy |
129,669
+115,873
| +840% | +$34.4M | 0.23% | 112 |
|
|
2019
Q3 | $3.21M | Sell |
13,796
-106,661
| -89% | -$24.8M | 0.02% | 544 |
|
|
2019
Q2 | $28.2M | Buy |
120,457
+97,034
| +414% | +$22.7M | 0.18% | 148 |
|
|
2019
Q1 | $5.54M | Sell |
23,423
-83,143
| -78% | -$19.7M | 0.04% | 485 |
|
|
2018
Q4 | $32.1M | Buy |
106,566
+100,039
| +1,533% | +$30.1M | 0.23% | 109 |
|
|
2018
Q3 | $2.31M | Sell |
6,527
-39,178
| -86% | -$13.8M | 0.01% | 743 |
|
|
2018
Q2 | $13.3M | Sell |
45,705
-394,455
| -90% | -$114M | 0.06% | 352 |
|
|
2018
Q1 | $121M | Sell |
440,160
-107,449
| -20% | -$29.4M | 0.5% | 23 |
|
|
2017
Q4 | $174M | Buy |
547,609
+385,130
| +237% | +$123M | 0.55% | 18 |
|
|
2017
Q3 | $50.9M | Sell |
162,479
-99,166
| -38% | -$31.1M | 0.2% | 117 |
|
|
2017
Q2 | $71M | Buy |
261,645
+215,029
| +461% | +$58.4M | 0.29% | 68 |
|
|
2017
Q1 | $12.7M | Sell |
46,616
-48,210
| -51% | -$13.2M | 0.06% | 360 |
|
|
2016
Q4 | $26.9M | Sell |
94,826
-353,399
| -79% | -$100M | 0.14% | 175 |
|
|
2016
Q3 | $140M | Buy |
448,225
+204,573
| +84% | +$64M | 0.81% | 10 |
|
|
2016
Q2 | $58.9M | Buy |
243,652
+41,685
| +21% | +$10.1M | 0.38% | 52 |
|
|
2016
Q1 | $52.6M | Buy |
201,967
+25,013
| +14% | +$6.51M | 0.31% | 60 |
|
|
2015
Q4 | $54.2M | Sell |
176,954
-35,847
| -17% | -$11M | 0.38% | 60 |
|
|
2015
Q3 | $62.1M | Sell |
212,801
-62,445
| -23% | -$18.2M | 0.46% | 42 |
|
|
2015
Q2 | $111M | Buy |
275,246
+248,336
| +923% | +$100M | 0.68% | 20 |
|
|
2015
Q1 | $11.4M | Sell |
26,910
-23,483
| -47% | -$9.92M | 0.09% | 265 |
|
|
2014
Q4 | $17.1M | Buy |
+50,393
| New | +$17.1M | 0.16% | 156 |
|